Stacking Cubes

Undefined

English JA

In this mission you'll have to stack the cubes.

You are given a list of cube details (a tuple of 3 integers: X coordinate, Y coordinate, and edge length).
You have to return the maximum stacking height of the cubes.

each coordinate is the minimum value;
all edges are parallel to the coordinate axes;
the order of cube stacking is arbitrary, but the X and Y coordinates of the cubes can't be changed;
if at least 1x1 faces of the cubes touch, they will be stacked.

Note:

You don't necessarily need to use all of the cubes.

Examples :

stacking_cubes([(0, 0, 2), (1, 1, 2), (3, 2, 2)]) == 4
stacking_cubes([(0, 0, 2), (1, 1, 2), (1, 2, 1), (2, 2, 2)]) == 6
stacking_cubes([(0, 0, 2), (0, 2, 2), (0, 2, 2), (2, 0, 2), (2, 0, 2), (2, 0, 2), (2, 0, 2)]) == 8

Input: A list of tuples of 3 integers.

Output: An integer.

Precondition:

2 ≤ len(cubes) ≤ 50
-100 ≤ X, Y coordinate ≤ 100

by:

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